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Table 4
Assigned features of the infrared spectrum of the EXP1 ice mixture (H2O:CH3OH:NH3 = 10:1:1) after 56 h of VUV photolysis at 25 K and warmed at 300 K.
| EXP1 300 K | |||
| Wavenumber (cm-1) | Assignments | Species | References |
|
|
|||
| 2872 | ν(CH) | HMT | Bernstein et al. (1994) |
| 1670 | ν(C=O) | Amide, RCOOH | |
| 1592 | ν(COO−) | HCOO− | Schutte et al. (1999) |
| 1462 | δ(CH,NH) | HMT | Bernstein et al. (1994) |
| 1366 | δ(CH) | HMT | Bernstein et al. (1994) |
| 1235 | ν(C-N) | HMT | Bernstein et al. (1994) |
| 1209 | ν(C-N) | PMI | Vinogradoff et al. (2012b) |
| 1091 | ν(C-N) | PMI | Vinogradoff et al. (2012b) |
| 1006 | ν(C-N) | HMT | Bernstein et al. (1994) |
| 970 | ν(C-N) | PMI | Vinogradoff et al. (2012b) |
| 812 | ωNH | HMT | Bernstein et al. (1994) |
| 779 | δ(OCO) | HCOO− | Schutte et al. (1999) |
Notes.Vibration mode: stretching (ν), bending (δ), inversion (ω).
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